add new postURL() function raise specific error when asser=user fails
add new postURL() function
raise specific error when asser=user fails


git-svn-id: f58be298ca8b04cdf00e0d3bcaf8095f01d86437@64 e6df2af4-0b61-11de-b8f3-b9fb9eb71b04

legoktm/pythonwikibot